#pragma once
#include<iostream>
using namespace std;
class USsocket {
public:
	virtual ~USsocket() = default;
	virtual string USinput() const {
		return "Use US adapter to Input US Socket ";
	}
	virtual string USvol()const {
		return "Use 110V";
	}
};

class CNsocket {
public:
	virtual ~CNsocket() = default;
	virtual string CNinput() const {
		return "Use CN adapter to Input CN Socket ";
	}
	virtual string CNvol()const {
		return "Use 220V";
	}
};